Home / 7,581.28-11,369.76-4,803.76

Finding the Fourth Proportional to 7,581.28, 11,369.76 and 4,803.76

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Solution

The fourth proportional to 7,581.28, 11,369.76 and 4,803.76 is: 7,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.28 : 11,369.76 = 4,803.76 : x
  2. Step 2: Convert to fraction form
    7,581.28/11,369.76 = 4,803.76/x
  3. Step 3: Cross multiply
    7,581.28x = 11,369.76 × 4,803.76
  4. Step 4: Simplify right side
    7,581.28x = 54,617,598.30
  5. Step 5: Solve for x
    x = 54,617,598.30/7,581.28
  6. Step 6: Final answer
    x = 7,204.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.